Match the terms with their correct meanings.

-Obstructing the passage of x-rays

Question

Match the terms with their correct meanings.

-Obstructing the passage of x-rays

Quizplus · Accepted Answer

Radiopaque materials obstruct the passage of x-rays and appear white on radiographs.

Answer: B
 Radiopharmaceuticals are drugs containing a radioactive isotope which can be tracked within the body via imaging techniques such as PET or SPECT.

Answer: C
 A scan typically refers to an imaging study, such as an x-ray, CT, or MRI.

Answer: D
 Half-life is the time it takes for half of a radioactive substance to decay.

Answer: E
 A transducer is a device that converts one form of energy to another, such as converting sound waves to electrical signals in ultrasound imaging.

Answer: F
 Tagging refers to labeling a substance or molecule with a radioactive isotope in order to track it in the body.

Answer: G
 Ultrasound uses high-frequency sound waves to create images of internal structures in the body.

Answer: H
 Uptake refers to the amount of a substance absorbed by a specific body tissue or organ.

Answer: I
 Ventilation/perfusion studies are imaging tests used to evaluate lung function by measuring air flow and blood flow.

Answer: J
 Single-photon emission computed tomography (SPECT) is an imaging technique that uses a radioactive tracer to produce three-dimensional images of internal body structures.

Match the Terms with Their Correct Meanings